//     )
  //
  // +listType=atomic
  // +optional
  optional bytes certificate = 2;
}

// ExtraValue masks the value so protobuf can generate
// +protobuf.nullable=true
// +protobuf.options.(gogoproto.goproto_stringer)=false
message ExtraValue {
  // items, if empty, will result in an empty slice

  repeated string items = 1;

		}

		extraValues, err := convertCELValueToStringList(result.EvalResult)
		if err != nil {
			return nil, fmt.Errorf("oidc: error evaluating extra claim expression: %s: %w", extraMapping.Expression, err)
		}

		if len(extraValues) == 0 {
			continue
		}

		extra[extraMapping.Key] = extraValues
	}

	return extra, nil
}